| http://purl.uniprot.org/citations/24742990 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/24742990 | http://www.w3.org/2000/01/rdf-schema#comment | "Extracellular acidification has been observed in allergic inflammatory diseases. Recently, we demonstrated that the proton-sensing receptor G protein-coupled receptor 65 (GPR65) regulates eosinophil survival in an acidic environment in vitro and eosinophil accumulation in an allergic lung inflammation model. For mast cells, another inflammatory cell type critical for allergic responses, it remains unknown whether GPR65 is expressed and/or regulates mast cell viability. Thus, in the present study, we employed in vitro experiments and an intestinal anaphylaxis model in which both mastocytosis and eosinophilia can be observed, particularly in the gastrointestinal tract, to enable us to directly compare the effect of GPR65 expression on these two cell types. We identified GPR65 expression on mast cells; however, unlike eosinophil viability, mast cell viability in vitro is not affected by acidification or GPR65 expression. Mechanistically, we determined that mast cells do not respond to extracellular acidification with increased cAMP levels. Furthermore, in the intestinal anaphylaxis model, we observed a significant reduction of eosinophils (59.1 ± 9.2% decrease) in the jejunum of allergen-challenged GPR65-deficient mice compared with allergen-challenged wild-type mice, despite the degree of antigen sensitization and the expression levels of Th2 cytokines (Il4, Il13) and eosinophil chemokines (Ccl11, Ccl24) in the jejunum being comparable. In contrast, the accumulation of mast cells in allergen-challenged mice was not affected by GPR65 deficiency. In conclusion, our study demonstrates differential regulation of eosinophils and mast cells in inflammatory tissue, with mast cell viability and accumulation being independent of GPR65."xsd:string |
| http://purl.uniprot.org/citations/24742990 | http://purl.org/dc/terms/identifier | "doi:10.1152/ajpgi.00341.2013"xsd:string |
| http://purl.uniprot.org/citations/24742990 | http://purl.uniprot.org/core/author | "Zhu X."xsd:string |
| http://purl.uniprot.org/citations/24742990 | http://purl.uniprot.org/core/author | "Zimmermann N."xsd:string |
| http://purl.uniprot.org/citations/24742990 | http://purl.uniprot.org/core/author | "Hogan S.P."xsd:string |
| http://purl.uniprot.org/citations/24742990 | http://purl.uniprot.org/core/author | "Mose E."xsd:string |
| http://purl.uniprot.org/citations/24742990 | http://purl.uniprot.org/core/date | "2014"xsd:gYear |
| http://purl.uniprot.org/citations/24742990 | http://purl.uniprot.org/core/name | "Am J Physiol Gastrointest Liver Physiol"xsd:string |
| http://purl.uniprot.org/citations/24742990 | http://purl.uniprot.org/core/pages | "G974-82"xsd:string |
| http://purl.uniprot.org/citations/24742990 | http://purl.uniprot.org/core/title | "Differential eosinophil and mast cell regulation: mast cell viability and accumulation in inflammatory tissue are independent of proton-sensing receptor GPR65."xsd:string |
| http://purl.uniprot.org/citations/24742990 | http://purl.uniprot.org/core/volume | "306"xsd:string |
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